20763357427540 has 96 divisors (see below), whose sum is σ = 56489782245120. Its totient is φ = 6225404553216.

The previous prime is 20763357427523. The next prime is 20763357427567. The reversal of 20763357427540 is 4572475336702.

It is a happy number.

It is a super-2 number, since 2×20763357427540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300187477 + ... + 300256636.

It is an arithmetic number, because the mean of its divisors is an integer number (588435231720).

Almost surely, 2^{20763357427540} is an apocalyptic number.

20763357427540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20763357427540 is an abundant number, since it is smaller than the sum of its proper divisors (35726424817580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20763357427540 is a wasteful number, since it uses less digits than its factorization.

20763357427540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600444161 (or 600444159 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 55.

The spelling of 20763357427540 in words is "twenty trillion, seven hundred sixty-three billion, three hundred fifty-seven million, four hundred twenty-seven thousand, five hundred forty".